BK/HTB-44M-R

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Introduction

Fuseholders are incredibly useful elements in a wide variety of electrical systems. They act as a protective device, directly connected to an electric circuit in order to prevent overloads and fires due to electrical failures. In this article we are going to explore the application field and discuss the working principle of the BK/HTB-44M-R fuseholder.

Applications

The BK/HTB-44M-R fuseholder is designed for usage in industrial installations and underwater electrical systems. The fuseholder can withstand a level of corrosion and salty water that would not be suitable for european standard types. It is used to connect protectors and fuses to heavy-duty cables or lead sheath cables.

The most typical application of this fuseholder is in the electric power industry. Particularly in power distribution and power generation applications. It is also used in pumping systems, switchgear panels and transformers. It is able to connect two insulated cables, containing residual current and a neutral conductor.

Specifications

The BK/HTB-44M-R fuseholder is made of UV resistant flame retardant glass-fiber material. It is fitted with a reliable, water resistant contact holder, designed with patented safety ridge-gap technology. This ensures a secure and dust-free connection. With a rated current of 10A, and a rated voltage of 600V AC/DC, this fuseholder meets the international standards of safety and reliability.

The device’s insulation is tested with a 1000V AC, 8mA rms level of power and a 500V DC, 10mA rms level. It is also equipped with a 12 pin connector, which is perfect for the connection of heavy-duty cables or armoured coupling. The output cable also has waterproof seals and is rated for IP66 protection.

Working principle

The BK/HTB-44M-R fuseholder functions primarily as a connection unit between protected and unprotected elements. When an electrical fault occurs, the fuseholder acts as a safety switch, and disconnects the problematic element from the rest. As soon as the device detects an overload or short-circuit condition, the fuseholder isolates the circuit by breaking the current.

The BK/HTB-44M-R fuseholder is equipped with a mechanical fuse switch and three levels of contact protection. The first level is designed to keep the contact points insulated and dry, while the second level ensures a secure electrical connection. Finally, the third level serves as a visual indication of the fuse status by displaying the open or closed contact. This additional level of safety prevents sudden changes in the circuit’s current, protecting users from any risk of serious damage.

Conclusion

Fuseholders are essential devices in an array of electrical systems. They provide a reliable and secure connection between protectors and fuses, and electric circuits, and allow for the quickest possible response in the presence of an electrical fault. The BK/HTB-44M-R fuseholder is particularly suitable for industrial installations and underwater electrical systems, where resistance to corrosion and salty water is paramount. The device contains a mechanical fuse switch and three levels of contact protection, providing an efficient and safe protection against overloads and short-circuits.

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